int btn1 = 2;
int btn2 = 35;
int btn3 = 32;
int btn4 = 33;
int btn5 = 25;
int btn6 = 26;
int btn7 = 27;


void setup() {
// put your setup code here, to run once:

pinMode(btn1, INPUT);
pinMode(btn2, INPUT_PULLUP);
pinMode(btn3, INPUT_PULLUP);
pinMode(btn4, INPUT_PULLUP);
pinMode(btn5, INPUT_PULLUP);
pinMode(btn6, INPUT);
pinMode(btn7, INPUT);
Serial.begin(9600);
}

void loop() {
// put your main code here, to run repeatedly:

btn1 = digitalRead(2);
btn2 = digitalRead(35);
btn3 = digitalRead(32);
btn4 = digitalRead(33);
btn5 = digitalRead(25);
btn6 = digitalRead(26);
btn7 = digitalRead(27);
Serial.println(btn1);



}